@jollyorc I am using Zammad, which works well, but is a bit tricky to install. It's developed by a German company, it's open source.
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Nils Pickert 🚂
@nilspickert@chaos.social
Piero Bosio Social Web Site Personale 
Social Forum federato con il resto del mondo. Non contano le istanze, contano le persone
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